Data Management Foundation C175 WGU Questions and Answers 100% Correct
Associative EntityAn associative entity is an element of the entity-relationship model. All relationships for the associative entity should be many. AttributeAn attribute is a property or characteristic of an entity. Binary relationshipA binary relationship is a relationship between two entity types. Candidate KeyIs any column or a combination of columns that can qualify as unique key in database. CardinalityCardinality represents the maximum number of entities that can be involved in a particular relationship. Cartesian productUsually the result of a missing join condition or a method of expanding the data of 1 table by the number of rows in the second table. Cascade DeleteWill delete all records that reference the primary key column subqueryReturns a single column of one or more values. data encryptionWhen data is encrypted, it is changed, bit by bit or character by character, into a form that looks totally garbled. It can and must be reconverted, or decrypted, back to its original form to be of use
Escuela, estudio y materia
- Institución
- Data Management Foundation C175 WGU
- Grado
- Data Management Foundation C175 WGU
Información del documento
- Subido en
- 10 de enero de 2024
- Número de páginas
- 8
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
Temas
-
data management foundation c175 wgu questions and